<template>
	<view>
		<view class="good-list">
			<view v-for="(item,index) in goodsList" :key="index" @click="gotoDetail(item)">
				<my-goods :goods="item"></my-goods>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				//请求的参数对象
				queryObj: {
					//查询的关键字
					query: '',
					//商品分类 id
					cid: '',
					//页数
					pagenum: 1,
					//每页显示多少条数据
					pageList: 18
				},
				//商品列表的数据
				goodsList: [],
				//总数居
				total: 0,
				//是否正在请求数据，节流阀
				isloading: false
			};
		},
		onLoad(options) {
			this.queryObj.query = options.query || ''
			this.queryObj.cid = options.cid || ''
			this.getGoodsList()
		},
		methods: {
			async getGoodsList(stop) {
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
				this.isloading = false
				//只要数据请求完毕，就调用这个函数
				stop && stop()
				if (res.meta.status !== 200) return uni.$showMsg()
				this.goodsList = [...this.goodsList, ...res.message.goods]
				this.total = res.message.total
			},
			//点击跳到商品详情页
			gotoDetail(item) {
				uni.navigateTo({
					url: `/subpkg/goods_detail/goods_detail?goods_id=${item.goods_id}`
				})
			},
		},

		//触底事件
		onReachBottom() {
			if (this.queryObj.pagenum * this.queryObj.pageList >= this.total) return uni.$showMsg('数据加载完毕')
			//判断是否正在请求其他数据
			if (this.isloading) return
			this.queryObj.pagenum += 1
			this.getGoodsList()
		},
		//下拉刷新事件
		onPullDownRefresh() {
			this.queryObj.pagenum = 1
			this.total = 0
			this.isloading = false
			this.goodsList = [],
				this.getGoodsList(() => uni.stopPullDownRefresh())
		}
	}
</script>

<style lang="scss">
	.goods-item {
		display: flex;
		padding: 10px 5px;
		border-bottom: 1px solid #f0f0f0;

		.goods-item-left {
			margin-right: 5px;

			.goods-pic {
				width: 100px;
				height: 100px;
			}
		}

		.goods-item-right {
			display: flex;
			flex-direction: column;
			justify-content: space-between;

			.goods-name {
				font-size: 12px;
				overflow: hidden;
				text-overflow: ellipsis;
				display: -webkit-box;
				-webkit-box-orient: vertical;
				-webkit-line-clamp: 2;
			}
		}
	}
</style>